From owner-svn-src-all@FreeBSD.ORG Fri Apr 30 08:02:13 2010 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 3C2B9106566C; Fri, 30 Apr 2010 08:02:13 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [69.147.83.44]) by mx1.freebsd.org (Postfix) with ESMTP id 2AC168FC1A; Fri, 30 Apr 2010 08:02:13 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o3U82D9L005211; Fri, 30 Apr 2010 08:02:13 GMT (envelope-from mav@svn.freebsd.org) Received: (from mav@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id o3U82D9N005209; Fri, 30 Apr 2010 08:02:13 GMT (envelope-from mav@svn.freebsd.org) Message-Id: <201004300802.o3U82D9N005209@svn.freebsd.org> From: Alexander Motin Date: Fri, 30 Apr 2010 08:02:13 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r207430 - head/sys/dev/ahci X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Apr 2010 08:02:13 -0000 Author: mav Date: Fri Apr 30 08:02:12 2010 New Revision: 207430 URL: http://svn.freebsd.org/changeset/base/207430 Log: Add Target/LUN ID checks and deny access to targets 1-14 when PMP absent. Enforce PMA bit clearing when PMP detached to avoid further scan timeouts. Modified: head/sys/dev/ahci/ahci.c Modified: head/sys/dev/ahci/ahci.c ============================================================================== --- head/sys/dev/ahci/ahci.c Fri Apr 30 08:02:08 2010 (r207429) +++ head/sys/dev/ahci/ahci.c Fri Apr 30 08:02:12 2010 (r207430) @@ -2083,6 +2083,7 @@ ahci_start(device_t dev, int fbs) } /* Start operations on this channel */ cmd = ATA_INL(ch->r_mem, AHCI_P_CMD); + cmd &= ~AHCI_P_CMD_PMA; ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd | AHCI_P_CMD_ST | (ch->pm_present ? AHCI_P_CMD_PMA : 0)); } @@ -2381,6 +2382,24 @@ ahci_sata_phy_reset(device_t dev) return (1); } +static int +ahci_check_ids(device_t dev, union ccb *ccb) +{ + struct ahci_channel *ch = device_get_softc(dev); + + if (ccb->ccb_h.target_id > ((ch->caps & AHCI_CAP_SPM) ? 15 : 0)) { + ccb->ccb_h.status = CAM_TID_INVALID; + xpt_done(ccb); + return (-1); + } + if (ccb->ccb_h.target_lun != 0) { + ccb->ccb_h.status = CAM_LUN_INVALID; + xpt_done(ccb); + return (-1); + } + return (0); +} + static void ahciaction(struct cam_sim *sim, union ccb *ccb) { @@ -2396,9 +2415,12 @@ ahciaction(struct cam_sim *sim, union cc /* Common cases first */ case XPT_ATA_IO: /* Execute the requested I/O operation */ case XPT_SCSI_IO: - if (ch->devices == 0) { + if (ahci_check_ids(dev, ccb)) + return; + if (ch->devices == 0 || + (ch->pm_present == 0 && + ccb->ccb_h.target_id > 0 && ccb->ccb_h.target_id < 15)) { ccb->ccb_h.status = CAM_SEL_TIMEOUT; - xpt_done(ccb); break; } /* Check for command collision. */ @@ -2410,7 +2432,7 @@ ahciaction(struct cam_sim *sim, union cc return; } ahci_begin_transaction(dev, ccb); - break; + return; case XPT_EN_LUN: /* Enable LUN as a target */ case XPT_TARGET_IO: /* Execute target I/O request */ case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ @@ -2418,13 +2440,14 @@ ahciaction(struct cam_sim *sim, union cc case XPT_ABORT: /* Abort the specified CCB */ /* XXX Implement */ ccb->ccb_h.status = CAM_REQ_INVALID; - xpt_done(ccb); break; case XPT_SET_TRAN_SETTINGS: { struct ccb_trans_settings *cts = &ccb->cts; struct ahci_device *d; + if (ahci_check_ids(dev, ccb)) + return; if (cts->type == CTS_TYPE_CURRENT_SETTINGS) d = &ch->curr[ccb->ccb_h.target_id]; else @@ -2442,7 +2465,6 @@ ahciaction(struct cam_sim *sim, union cc if (cts->xport_specific.sata.valid & CTS_SATA_VALID_ATAPI) d->atapi = cts->xport_specific.sata.atapi; ccb->ccb_h.status = CAM_REQ_CMP; - xpt_done(ccb); break; } case XPT_GET_TRAN_SETTINGS: @@ -2452,6 +2474,8 @@ ahciaction(struct cam_sim *sim, union cc struct ahci_device *d; uint32_t status; + if (ahci_check_ids(dev, ccb)) + return; if (cts->type == CTS_TYPE_CURRENT_SETTINGS) d = &ch->curr[ccb->ccb_h.target_id]; else @@ -2487,48 +2511,16 @@ ahciaction(struct cam_sim *sim, union cc cts->xport_specific.sata.atapi = d->atapi; cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI; ccb->ccb_h.status = CAM_REQ_CMP; - xpt_done(ccb); break; } -#if 0 - case XPT_CALC_GEOMETRY: - { - struct ccb_calc_geometry *ccg; - uint32_t size_mb; - uint32_t secs_per_cylinder; - - ccg = &ccb->ccg; - size_mb = ccg->volume_size - / ((1024L * 1024L) / ccg->block_size); - if (size_mb >= 1024 && (aha->extended_trans != 0)) { - if (size_mb >= 2048) { - ccg->heads = 255; - ccg->secs_per_track = 63; - } else { - ccg->heads = 128; - ccg->secs_per_track = 32; - } - } else { - ccg->heads = 64; - ccg->secs_per_track = 32; - } - secs_per_cylinder = ccg->heads * ccg->secs_per_track; - ccg->cylinders = ccg->volume_size / secs_per_cylinder; - ccb->ccb_h.status = CAM_REQ_CMP; - xpt_done(ccb); - break; - } -#endif case XPT_RESET_BUS: /* Reset the specified SCSI bus */ case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ ahci_reset(dev); ccb->ccb_h.status = CAM_REQ_CMP; - xpt_done(ccb); break; case XPT_TERM_IO: /* Terminate the I/O process */ /* XXX Implement */ ccb->ccb_h.status = CAM_REQ_INVALID; - xpt_done(ccb); break; case XPT_PATH_INQ: /* Path routing inquiry */ { @@ -2564,14 +2556,13 @@ ahciaction(struct cam_sim *sim, union cc if (pci_get_devid(device_get_parent(dev)) == 0x43801002) cpi->maxio = min(cpi->maxio, 128 * 512); cpi->ccb_h.status = CAM_REQ_CMP; - xpt_done(ccb); break; } default: ccb->ccb_h.status = CAM_REQ_INVALID; - xpt_done(ccb); break; } + xpt_done(ccb); } static void